Rebaseline Skia suppressions.

Unreviewed gardening.

BUG=314499
TBR=robertphillips@google.com

Review URL: https://codereview.chromium.org/57713003

git-svn-id: svn://svn.chromium.org/blink/trunk@161256 bbb929c8-8fbe-4397-9dbb-9b2b20218538